| Alef Bet Montessori School Inc. ✓ | Bethesda | PreK-3 | 25 | 2.2 | Jewish |
| St. Bartholomews School ✓ | Bethesda | PreK-8 | 145 | 8 | Roman Catholic |
| Mother of God School ✓ | Gaithersburg | PreK-8 | 198 | 12.5 | Roman Catholic |
| St. Martin of Tours School ✓ | Gaithersburg | PreK-8 | 193 | 13.7 | Roman Catholic |
| Academy of the Holy Cross ✓ | Kensington | 9-12 | 371 | 8.6 | Roman Catholic |
| Grace Episcopal Day School ✓ | Kensington | PreK-5 | 84 | 7 | Episcopal |
| Rise Hybrid Private Academy ✓ | Olney | | | | |
| St. Peter's School ✓ | Olney | PreK-8 | 431 | 10.3 | Roman Catholic |
| Washington Christian Academy ✓ | Olney | K-12 | 289 | 10.4 | Christian (nondenominational) |
| Melvin J Berman Hebrew Academy ✓ | Rockville | PreK-12 | 615 | 6.4 | Jewish |
| St. Elizabeth Catholic School ✓ | Rockville | PreK-8 | 499 | 15.6 | Roman Catholic |
| St. Raphael School ✓ | Rockville | PreK-8 | 224 | 10 | Roman Catholic |
| Leo Bernstein Jewish Academy of Fine Arts ✓ | Silver Spring | PreK-3 | 36 | 2.4 | Jewish |
| St. Andrew Apostle School ✓ | Silver Spring | PreK-8 | 306 | 11.5 | Roman Catholic |
| St. Bernadette School ✓ | Silver Spring | PreK-8 | 317 | 12.4 | Roman Catholic |
| St. Francis International School ✓ | Silver Spring | PreK-8 | 203 | 16.2 | Roman Catholic |
| St. John the Baptist School ✓ | Silver Spring | PreK-8 | 233 | 12.4 | Roman Catholic |
| St. John the Evangelist School ✓ | Silver Spring | PreK-8 | 178 | 6.8 | Roman Catholic |
| Torah School of Greater Washington ✓ | Silver Spring | K-6 | 333 | 9.7 | Jewish |
| Yeshiva of Greater Washington Boys Division ✓ | Silver Spring | 7-12 | 157 | 11.7 | Jewish |
| Don Bosco Cristo Rey High School ✓ | Takoma Park | 9-12 | 383 | 16.9 | Roman Catholic |
| House of Hope Maryland Day School | Ashton | 8-9 | 3 | 3 | Christian (nondenominational) |
| Mater Amoris Montessori School | Ashton | PreK-8 | 97 | 10.4 | Nonsectarian |
| Barnesville School of Arts & Sciences | Barnesville | PreK-8 | 110 | 7.1 | Nonsectarian |
| Pathways Horizons | Beltsville | 7-12 | 27 | 6.8 | Nonsectarian |
| Bethesda Country Day School | Bethesda | PreK-Transitional K | 25 | 12.5 | Nonsectarian |
| Crestview Montessori School | Bethesda | PreK-K | 1 | 0.5 | Nonsectarian |
| Fernwood Montessori School | Bethesda | PreK-5 | 26 | 6.5 | Nonsectarian |
| Little Flower School | Bethesda | PreK-8 | 249 | 9.6 | Roman Catholic |
| Norwood School | Bethesda | PreK-8 | 428 | 6.2 | Nonsectarian |
| Our Lady of Lourdes School | Bethesda | PreK-8 | 203 | 9.8 | Roman Catholic |
| Rochambeau-the French Intl School | Bethesda | PreK-12 | 1,085 | 10.1 | Nonsectarian |
| St. Jane de Chantal School | Bethesda | PreK-8 | 273 | 10.9 | Roman Catholic |
| Stone Ridge School of the Sacred Heart | Bethesda | PreK-12 | 738 | 6.3 | Roman Catholic |
| The Bethesda Montessori School | Bethesda | PreK-K | 15 | 1.4 | Nonsectarian |
| The Family Academy of Bethesda | Bethesda | PreK-K | 1 | 0.5 | Nonsectarian |
| The Woods Academy | Bethesda | PreK-8 | 269 | 7.2 | Roman Catholic |
| Washington Episcopal School | Bethesda | PreK-8 | 285 | 5.6 | Episcopal |
| Washington Waldorf School | Bethesda | PreK-12 | 249 | 3.4 | Nonsectarian |
| Whole Kids Academy | Bethesda | PreK-K | 9 | 9 | Nonsectarian |
| Community School of Maryland | Brookeville | 3-12 | 46 | 4.9 | Nonsectarian |
| Childway | Burtonsville | K | 14 | 7 | Nonsectarian |
| Echelon Academy | Burtonsville | 1-10 | 6 | 3 | Nonsectarian |
| Concord Hill School | Chevy Chase | PreK-3 | 68 | 4 | Nonsectarian |
| Oneness Family School | Chevy Chase | PreK-12 | 91 | 3.4 | Nonsectarian |
| The Learning Comm. International | Col. | K-12 | 91 | 15.2 | Nonsectarian |
| Butler Montessori | Darnestown | PreK-9 | 146 | 14.6 | Nonsectarian |
| Mary of Nazareth School | Darnestown | PreK-8 | 486 | 14.3 | Roman Catholic |
| Seneca Academy | Darnestown | PreK-5 | 58 | 6.4 | Nonsectarian |
| Covenant Life School | Gaithersburg | PreK-12 | 444 | 11.3 | Christian (nondenominational) |
| Epworth Preschool & Kindergarten | Gaithersburg | PreK-Transitional K | 10 | 10 | Methodist |
| Forbush School at Oakmont Upper School | Gaithersburg | 8-12 | 42 | 18.3 | Nonsectarian |
| Gaithersburg Presbyterian Preschool & Kindergarten | Gaithersburg | PreK-K | 7 | 3.5 | Presbyterian |
| Goddard School in Gaithersburg | Gaithersburg | PreK-K | 2 | 0.7 | Nonsectarian |
| Goddard School in Gaithersburg, the | Gaithersburg | PreK-K | 2 | 1 | Nonsectarian |
| Marcia D Smith School | Gaithersburg | 8-12 | 13 | 5.2 | Nonsectarian |
| Nist Child Care Center | Gaithersburg | PreK-K | 12 | 12 | Nonsectarian |
| Shaare Torah Kindergarten | Gaithersburg | K | 2 | 2 | Jewish |
| The Foundation School of Montgomery County | Gaithersburg | 4-12 | 68 | 7.6 | Nonsectarian |
| Holy Cross Elementary School | Garrett Park | PreK-8 | 233 | 15.1 | Roman Catholic |
| Fellowship Christian School | Germantown | K-5 | 121 | 10.5 | Christian (nondenominational) |
| Optimal Learning School | Germantown | PreK-Transitional 1st | 20 | 10 | Nonsectarian |
| Sally Ride Optimal Learning School | Germantown | PreK-Transitional 1st | 18 | 4.5 | Nonsectarian |
| Crossway Community Montessori School | Kensington | PreK-4 | 9 | 4.5 | Nonsectarian |
| Holy Redeemer Catholic Elementary School | Kensington | PreK-8 | 318 | 6.2 | Roman Catholic |
| Holy Redeemer School Kensington | Kensington | PreK-8 | 290 | 5.9 | Roman Catholic |
| Village Montessori School, Llc | Montgomery Village | PreK-K | 13 | 1.2 | Nonsectarian |
| Georgetown Preparatory School | North Bethesda | 9-12 | 500 | 8.3 | Roman Catholic |
| The Diener School | North Bethesda | K-8 | 75 | 2.7 | Nonsectarian |
| Olney Adventist Preparatory | Olney | K-8 | 93 | 10.3 | Seventh-Day Adventist |
| Our Lady of Good Counsel High School | Olney | 9-12 | 1,246 | 11.5 | Roman Catholic |
| St. John's Episcopal School | Olney | PreK-8 | 154 | 8.9 | Episcopal |
| Bullis School | Potomac | K-12 | 1,027 | 9 | Nonsectarian |
| Connelly School of the Holy Child | Potomac | 6-12 | 350 | 7.1 | Other religious |
| Geneva Day School | Potomac | PreK-K | 22 | 7.3 | Nonsectarian |
| Georgetown Hill Potomac Village | Potomac | PreK-Transitional K | 20 | 6.5 | Nonsectarian |
| German International School Washington Dc | Potomac | PreK-12 | 472 | 9.5 | Nonsectarian |
| Manor Montessori School-Rockville | Potomac | PreK-K | 1 | 0.2 | Nonsectarian |
| Mc Lean School of Maryland | Potomac | K-12 | 469 | 6 | Nonsectarian |
| Muslim Community School/Alim Academy | Potomac | PreK-11 | 129 | 6.5 | Islamic |
| Our Lady of Mercy School | Potomac | PreK-8 | 182 | 7.6 | Roman Catholic |
| Potomac Glen Day School | Potomac | PreK-Transitional K | 13 | 6.5 | Nonsectarian |
| St. Andrew's Episcopal School | Potomac | PreK-12 | 673 | 7.4 | Episcopal |
| The Harbor School | Potomac | PreK-3 | 36 | 3.8 | Nonsectarian |
| The Manor Montessori School | Potomac | PreK-3 | 21 | 2.3 | Nonsectarian |
| Charles E Smith Jewish Day School | Rockville | PreK-12 | 829 | 5.9 | Jewish |
| Children's Manor Montessori School & Daycare | Rockville | PreK-1 | 25 | 5.6 | Nonsectarian |
| Christ Episcopal School | Rockville | PreK-8 | 88 | 6.8 | Episcopal |
| Executive Child Development Center | Rockville | PreK-K | 4 | 2 | Nonsectarian |
| Franklin Montessori Schools | Rockville | PreK-K | 8 | 1.8 | Nonsectarian |
| Green Acres School | Rockville | PreK-8 | 140 | 4.3 | Nonsectarian |
| Ivymount School | Rockville | K-12 | 172 | 5.2 | Nonsectarian |
| Little Genius Montessori School | Rockville | PreK-K | 1 | 1 | Nonsectarian |
| Norbeck Montessori Center | Rockville | PreK-K | 13 | 6.5 | Nonsectarian |
| Primary Montessori Day School | Rockville | PreK-3 | 38 | 9.5 | Nonsectarian |
| Sheppard Pratt School-Rockville (Formerly Frost Sc | Rockville | K-12 | 98 | 5.2 | Nonsectarian |
| St. Jude Regional Catholic School | Rockville | PreK-8 | 202 | 8.1 | Roman Catholic |
| St. Marys Elementary School | Rockville | PreK-8 | 148 | 9.7 | Roman Catholic |
| St. Patrick's School | Rockville | PreK-8 | 241 | 7.8 | Roman Catholic |
| The Goddard School @ Gaither Rd | Rockville | K | 10 | 5 | Nonsectarian |
| The Katherine Thomas School | Rockville | PreK-12 | 133 | 1.9 | Nonsectarian |
| The Maddux School | Rockville | PreK-2 | 35 | 3.9 | Nonsectarian |
| White Flint Children's House | Rockville | PreK-K | 17 | 3.7 | Nonsectarian |
| Sandy Springs Friends Middle School | Sandy Spring | PreK-12 | 679 | 8.3 | Friends |
| Acorn Hill Waldorf Kindergarten & Nursery | Silver Spring | PreK-K | 11 | 1.9 | Nonsectarian |
| Ashreinu School for Girls Inc. | Silver Spring | 1-9 | 23 | 5.1 | Jewish |
| Avalon School | Silver Spring | K-12 | 202 | 8.2 | Roman Catholic |
| Barrie School | Silver Spring | PreK-12 | 252 | 4.4 | Nonsectarian |
| Casa de Montessori | Silver Spring | PreK-K | 10 | 5 | Nonsectarian |
| Evergreen Montessori School | Silver Spring | PreK-3 | 38 | 4.2 | Nonsectarian |
| Forcey Christian School | Silver Spring | PreK-8 | 344 | 9.9 | Christian (nondenominational) |
| Griggs International Academy | Silver Spring | K-12 | 826 | 66.1 | Seventh-Day Adventist |
| Julia Brown Montessori School | Silver Spring | PreK-3 | 55 | 27.5 | Nonsectarian |
| Kehillat Ashreinu Montessori School | Silver Spring | 1-9 | 18 | 4.5 | Jewish |
| Mount Jezreel Christian School | Silver Spring | PreK-2 | 12 | 6 | Baptist |
| Pax Academy | Silver Spring | K-12 | 88 | 1.5 | Christian (nondenominational) |
| Takoma Academy Preparatory School | Silver Spring | K-8 | 174 | 11.8 | Seventh-Day Adventist |
| The Auburn School Silver Spring Campus | Silver Spring | K-8 | 31 | 2.4 | Nonsectarian |
| The Gan Montessori | Silver Spring | PreK-K | 11 | 6.9 | Jewish |
| The Nora School | Silver Spring | 9-12 | 76 | 5.9 | Nonsectarian |
| The Siena School | Silver Spring | 4-12 | 143 | 4.6 | Nonsectarian |
| The Winchester School | Silver Spring | PreK-K | 6 | 2 | Nonsectarian |
| Yeshiva of Greater Washington Girls Division | Silver Spring | 7-12 | 183 | 6.8 | Jewish |
| Paint Branch Montessori School | Spencerville | PreK-K | 4 | 0.7 | Nonsectarian |
| Spencerville Adventist Academy | Spencerville | PreK-12 | 399 | 13.8 | Seventh-Day Adventist |
| Takoma Academy | Takoma Park | 9-12 | 173 | 12 | Seventh-Day Adventist |
| The Springwell School | Takoma Park | K-8 | 30 | 5.1 | Nonsectarian |